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100 lines
3.2 KiB
C++
100 lines
3.2 KiB
C++
/*************************************************************************************
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Grid physics library, www.github.com/paboyle/Grid
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Source file: ./tests/Test_hmc_WilsonFermionGauge.cc
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Copyright (C) 2015
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Author: Peter Boyle <pabobyle@ph.ed.ac.uk>
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Author: neo <cossu@post.kek.jp>
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Author: Guido Cossu <guido.cossu@ed.ac.uk>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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See the full license in the file "LICENSE" in the top level distribution
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directory
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*************************************************************************************/
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/* END LEGAL */
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#include <Grid/Grid.h>
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int main(int argc, char **argv)
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{
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using namespace Grid;
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Grid_init(&argc, &argv);
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GridLogLayout();
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typedef GenericSpHMCRunner<MinimumNorm2> HMCWrapper;
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HMCWrapper TheHMC;
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TheHMC.Resources.AddFourDimGrid("gauge");
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// Checkpointer definition
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CheckpointerParameters CPparams;
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CPparams.config_prefix = "ckpoint_lat";
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CPparams.rng_prefix = "ckpoint_rng";
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CPparams.saveInterval = 5;
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CPparams.format = "IEEE64BIG";
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TheHMC.Resources.LoadNerscCheckpointer(CPparams);
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RNGModuleParameters RNGpar;
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RNGpar.serial_seeds = "12 22 32 42 52";
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RNGpar.parallel_seeds = "76 77 87 79 70";
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TheHMC.Resources.SetRNGSeeds(RNGpar);
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// Construct observables
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// here there is too much indirection
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typedef PlaquetteMod<HMCWrapper::ImplPolicy> PlaqObs;
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typedef TopologicalChargeMod<HMCWrapper::ImplPolicy> QObs;
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TheHMC.Resources.AddObservable<PlaqObs>();
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TopologyObsParameters TopParams;
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TopParams.interval = 5;
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TopParams.do_smearing = true;
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TopParams.Smearing.init_step_size = 0.01;
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TopParams.Smearing.tolerance = 1e-5;
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//TopParams.Smearing.steps = 200;
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//TopParams.Smearing.step_size = 0.01;
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TopParams.Smearing.meas_interval = 50;
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TopParams.Smearing.maxTau = 2.0;
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TheHMC.Resources.AddObservable<QObs>(TopParams);
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//////////////////////////////////////////////
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/////////////////////////////////////////////////////////////
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// Collect actions, here use more encapsulation
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// need wrappers of the fermionic classes
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// that have a complex construction
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// standard
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RealD beta = 8.0 ;
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SpWilsonGaugeActionR Waction(beta);
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ActionLevel<HMCWrapper::Field> Level1(1);
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Level1.push_back(&Waction);
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//Level1.push_back(WGMod.getPtr());
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TheHMC.TheAction.push_back(Level1);
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/////////////////////////////////////////////////////////////
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// HMC parameters are serialisable
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TheHMC.Parameters.MD.MDsteps = 10;
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TheHMC.Parameters.MD.trajL = 1.0;
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TheHMC.ReadCommandLine(argc, argv); // these can be parameters from file
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TheHMC.Run(); // no smearing
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Grid_finalize();
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} // main
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